Cho hình hộp $ABCD.A\text{'}B\text{'}C\text{'}D\text{'}$ có chiều cao bằng $8$ và diện tích đáy bằng $9.$ Gọi $M,N,P$ và $Q$ lần lượt là tâm của các mặt bên $ABB\text{'}A\text{'},BCC\text{'}B\text{'},CDD\text{'}C\text{'}$ và $DAA\text{'}D\text{'}$ . Thể tích của khối đa diện lồi có các đỉnh là các điểm $A,B,C,D,M,N,P$ và $Q$ bằng

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